* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: "Microsoft Yahei", sans-serif;
  background-color: #f5f5f5;
}
header {
  background-color: #fff;
  padding: 10px 0;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}
.header-inner {
  width: 1200px;
  margin: 0 auto;
}
.header-inner img {
  height: 40px;
}
main {
  width: 1200px;
  margin: 20px auto;
}
.section-title {
  font-size: 24px;
  color: #333;
  margin-bottom: 15px;
}
.tag-list {
  margin-bottom: 20px;
}
.tag-item {
  display: inline-block;
  padding: 5px 15px;
  margin-right: 10px;
  text-decoration: none;
  color: #666;
  border-radius: 20px;
}
.tag-item:hover {
  background-color: #f0f0f0;
}
.tag-active {
  background-color: #00c3ff;
  color: #fff;
}
.playlist, .song-list, .mv-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.playlist-item, .mv-item {
  width: 19%;
  margin-bottom: 20px;
}
.cover-wrap {
  display: block;
  position: relative;
  margin-bottom: 10px;
}
.cover-img {
  width: 100%;
  height: auto;
  border-radius: 5px;
}
.playlist-info .playlist-title, .mv-info .mv-title {
  display: block;
  font-size: 16px;
  color: #333;
  text-decoration: none;
  margin-bottom: 5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.playlist-info .playlist-title:hover, .mv-info .mv-title:hover {
  color: #00c3ff;
}
.playlist-info .playlist-playcount, .mv-info .mv-playcount {
  font-size: 14px;
  color: #999;
}
.play-all {
  background-color: #00c3ff;
  color: #fff;
  border: none;
  padding: 8px 15px;
  border-radius: 20px;
  cursor: pointer;
  margin-bottom: 20px;
}
.play-all:hover {
  background-color: #00a8e8;
}
.song-list {
  flex-direction